CN107033713A - Dust-proof radiating material and preparation method thereof, laser projection device - Google Patents
Dust-proof radiating material and preparation method thereof, laser projection device Download PDFInfo
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- CN107033713A CN107033713A CN201710364669.2A CN201710364669A CN107033713A CN 107033713 A CN107033713 A CN 107033713A CN 201710364669 A CN201710364669 A CN 201710364669A CN 107033713 A CN107033713 A CN 107033713A
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
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- G03B21/16—Cooling; Preventing overheating
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Abstract
The invention discloses a kind of dust-proof radiating material and preparation method thereof, laser projection device, belong to technical field of heat dissipation.The dust-proof radiating material includes：For the priming coat with substrate contact and the dust-proof coating being formed on the priming coat；The priming coat is formed by polymerizeing obtained acrylate adhesive as monomer using (methyl) acrylic acid and/or (methyl) acrylate；The dust-proof coating is formed by dirt resistance coatings, and the dirt resistance coatings include the component of following parts by weight：The fluorinated acrylate resin of 100 parts by weight and the titanium nitride particles that the average grain diameter of 0.5~2 parts by weight is less than 1 μm.On the one hand the dust-proof radiating material can effectively prevent dirt accumulation, so as to overcome due to the problem of heat dispersion is poor caused by dirt accumulation, on the other hand with good heat dispersion, being more beneficial for distributing for heat.In addition, the dust-proof radiating material also have it is good with substrate binding ability and certain scratch resistance, self-repairing capability.
Description
Technical field
The present invention relates to technical field of heat dissipation, more particularly to a kind of dust-proof radiating material and preparation method thereof, laser projection
Equipment.
Background technology
With the development of science and technology, laser projection device has obtained increasingly being widely applied in all trades and professions.Laser projection
Equipment can produce heat in the process of running, and laser projection device temperature can be made to raise and influence the normal fortune of laser projection device
OK.In order to ensure the normal operation of laser projection device, it is necessary in time distribute heat.
At present, laser projection device is mainly by heating position, the portion such as laser, light source, driving plate, fluorescent wheel
Position setting radiator is radiated.
During the present invention is realized, the inventors discovered that at least there is problems with the prior art：Thrown in laser
During the use of shadow equipment, because the reasons such as electrostatic, humidity, Organic Pollution can cause above-mentioned spreader surface accumulation ash
Dirt.Because the thermal conductivity factor of dust is relatively low, heat conductivility is poor, with the accumulation of dust, will influence the radiating effect of radiator,
So as to cause heat to be distributed in time from laser projection device, the normal work of laser projection device is influenceed.
The content of the invention
In order to solve above-mentioned technical problem, offer of the embodiment of the present invention is a kind of can to prevent the dust-proof radiating of dirt accumulation
Material and preparation method thereof, and using the laser projection device of the dust-proof radiating material.
Specifically, including following technical scheme：
In a first aspect, the embodiments of the invention provide a kind of dust-proof radiating material, the dust-proof radiating material includes：
For the priming coat with substrate contact and the dust-proof coating being formed on the priming coat；
The priming coat using (methyl) acrylic acid and/or (methyl) acrylate as monomer by polymerizeing obtained acrylate
Adhesive is formed；
The dust-proof coating is formed by dirt resistance coatings, and the dirt resistance coatings include the component of following parts by weight：
The fluorinated acrylate resin of 100 parts by weight and the titanium nitride that the average grain diameter of 0.5~2 parts by weight is less than 1 μm
Particle.
Alternatively, the fluorinated acrylate resin is by fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) propylene
Acid ester monomer polymerization is obtained.
Alternatively, fluorine-containing (methyl) acrylate monomer is selected from trifluoroethyl methacrylate, methacrylic acid six
At least one of fluorine butyl ester and dodecafluoroheptyl methacrylate；Not fluorine-containing (methyl) acrylate monomer is propylene
Acid butyl ester and/or methyl methacrylate.
Alternatively, the quality of fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer
Ratio is：(1:9)~(1:3).
Alternatively, the titanium nitride particles are four nitridation tritanium particle, and the average grain diameter of the titanium nitride particles is 0.05
~0.8 μm.
Alternatively, (methyl) acrylate monomer of the acrylate adhesive is obtained for polymerizeing to be had such as formula (I)
Shown structure：
CH2=CR1-CO-OR2(I)；
Wherein, R1For hydrogen or methyl, R2For alkyl or phenyl, and R1And R2The quantity sum of middle carbon atom be less than or
Person is equal to 24.
Alternatively, the thickness of the priming coat is 5~10 μm, and the thickness of the dust-proof coating is 5~15 μm.
Second aspect, the embodiments of the invention provide a kind of preparation method of dust-proof radiating material, the preparation method includes
Following steps：
It will be applied by polymerizeing obtained acrylate adhesive as monomer using (methyl) acrylic acid and/or (methyl) acrylate
Overlay in substrate, form priming coat；
It it is less than 1 μm by fluorinated acrylate resin and the average grain diameter of 0.5~2 parts by weight including 100 parts by weight
The dirt resistance coatings of titanium nitride particles are coated on the priming coat, dust-proof coating are formed, so as to obtain the dust-proof radiating material.
Alternatively, the dirt resistance coatings are prepared by following methods：
By organic solvent, emulsifying agent, the titanium nitride particles, fluorine-containing (methyl) acrylate monomer and not fluorine-containing (first
Base) acrylate monomer according to preset ratio be added in reactor be well mixed and be warming up to preset temperature, afterwards first
Initiator is added into the reactor in preset time, after the initiator, which is added, to be finished, is continued in the preset temperature
The second preset time of lower reaction produces the dirt resistance coatings.
The third aspect, the embodiments of the invention provide a kind of laser projection device, is provided with the laser projection device
Above-mentioned dust-proof radiating material.
The beneficial effect of technical scheme provided in an embodiment of the present invention：
Dust-proof radiating material provided in an embodiment of the present invention is including the priming coat with substrate contact and is formed on priming coat
Dust-proof coating.Wherein, dust-proof coating is formed by the dirt resistance coatings including fluorinated acrylate resin and titanium nitride.Fluorine-containing propene
Acid ester resin has good film forming and hydrophobicity, and the film layer formed by fluorinated acrylate resin has relatively low surface
Can, the attachment of dust can be prevented, so that playing prevents the accumulation of dust from acting on.The average grain diameter of titanium nitride below 1 μm,
In fluorinated acrylate resin film forming procedure, a part of titanium nitride particles can expose film surface, in film surface formation dimpling
Structure is played, the accumulation of dust is further prevented.Dust-proof radiating material provided in an embodiment of the present invention is arranged on into laser projection to set
It is standby to wait the parts surfaces such as radiator, the housing of electrical equipment, the accumulation of dust can be effectively prevented, so as to overcome due to dirt accumulation
The problem of caused heat dispersion is poor.
Meanwhile, titanium nitride has higher thermal conductivity factor and higher normal emittance, therefore, the embodiment of the present invention in itself
The dust-proof radiating material of offer, also with good heat dispersion, is more beneficial for while effectively can prevent dirt accumulation
Heat distributes in the electrical equipment such as laser projection device.
Also, in dust-proof radiating material provided in an embodiment of the present invention, the priming coat with substrate contact is by SGA
Glutinous dosage form into, and the surface of the part such as radiator of the electrical equipment such as laser projection device is usually metal, acrylate adhesive with
Metallic substrates have good binding ability so that dust-proof radiating material provided in an embodiment of the present invention and substrate have it is higher
Bond strength.
In addition, acrylate adhesive and fluorinated acrylate resin are respectively provided with certain rebound performance, therefore, this hair
The dust-proof radiating material that bright embodiment is provided has certain adhesion strength, being capable of self-regeneration when being destroyed by external force.
Dust-proof radiating coating provided in an embodiment of the present invention also has preferable heat resistance, when the part higher applied to temperature still
So there is preferable dust-proof radiating performance.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described.
Fig. 1 is that application mode of the dust-proof radiating material provided in an embodiment of the present invention on laser heat tube radiator surface is shown
It is intended to；
Fig. 2 is application mode schematic diagram of the dust-proof radiating material provided in an embodiment of the present invention in DMD spreader surfaces；
Fig. 3 is the application mode of surface of shell of the dust-proof radiating material provided in an embodiment of the present invention in laser projection device
Schematic diagram.
Reference is represented respectively in figure：
1- laser tube heat-pipe radiators；
2-DMD radiators；
The housing of 3- laser projection devices；
X- dust-proof radiating materials.
Embodiment
To make technical scheme and advantage clearer, below in conjunction with accompanying drawing embodiment of the present invention is made into
One step it is described in detail.Unless otherwise defined, all technical terms used in the embodiment of the present invention are respectively provided with and art technology
The identical implication that personnel are generally understood that.
The heat transfer that the heat generating components of electrical equipment (such as laser projection device) is sent is to after corresponding radiator, radiator
It is main to be distributed heat by way of radiation and convection current.The property of spreader surface has important shadow to heat dispersion
Ring.The material of radiator is usually aluminium, aluminium alloy or copper, and (aluminium is generally all with higher thermal conductivity factor for aluminium, aluminium alloy and copper
180~210W/ (mK), aluminium alloy are generally 150~180W/ (mK), copper and are generally 380W/ (mK)), due to heat output
It is directly proportional, therefore between spreader surface and air, particularly when blowing air over, is changed with good to thermal conductivity factor
Thermal effect, so that heat is distributed.And the thermal conductivity factor very little of dust, therefore, when dust product in 10W/ (mK) below
Gather after spreader surface, the radiating effect of radiator will be greatly affected.As can be seen here, it is raising to prevent dirt accumulation
The effective way of heat radiation of electrical apparatus effect.
Based on described above, in a first aspect, the embodiments of the invention provide a kind of dust-proof radiating material, the dust-proof radiating material
Material includes：For the priming coat with substrate contact and the dust-proof coating being formed on priming coat.
Wherein, priming coat using (methyl) acrylic acid and/or (methyl) acrylate as monomer by polymerizeing obtained acrylic acid
Ester gum stick dosage form into；Dust-proof coating is formed by dirt resistance coatings, and dirt resistance coatings include the component of following parts by weight：
The fluorinated acrylate resin of 100 parts by weight and the titanium nitride that the average grain diameter of 0.5~2 parts by weight is less than 1 μm
Particle.
Dust-proof radiating material provided in an embodiment of the present invention is including the priming coat with substrate contact and is formed on priming coat
Dust-proof coating.Wherein, dust-proof coating is formed by the dirt resistance coatings including fluorinated acrylate resin and titanium nitride.Fluorine-containing propene
Acid ester resin has good film forming and hydrophobicity, and the film layer formed by fluorinated acrylate resin has relatively low surface
Can, the attachment of dust can be prevented, so that playing prevents the accumulation of dust from acting on.The average grain diameter of titanium nitride below 1 μm,
In fluorinated acrylate resin film forming procedure, a part of titanium nitride particles can expose film surface, in film surface formation dimpling
Structure is played, the accumulation of dust is further prevented.Dust-proof radiating material provided in an embodiment of the present invention is arranged on into laser projection to set
It is standby to wait the parts surfaces such as radiator, the housing of electrical equipment, the accumulation of dust can be effectively prevented, so as to overcome due to dirt accumulation
The problem of caused heat dispersion is poor.Moreover, preventing the accumulation of dust from also helping the sulfide pair in air conservation thing
Corrosion of metal, so as to more effectively ensure the normal work of electrical equipment.
Meanwhile, titanium nitride has higher thermal conductivity factor and higher normal emittance, therefore, the embodiment of the present invention in itself
The dust-proof radiating material of offer, also with good heat dispersion, is more beneficial for while effectively can prevent dirt accumulation
Heat distributes in the electrical equipment such as laser projection device.
Also, in dust-proof radiating material provided in an embodiment of the present invention, the priming coat with substrate contact is by SGA
Glutinous dosage form is into and the surface of the part such as radiator of laser projection device is usually metal, acrylate adhesive and Metal Substrate
Bottom has good binding ability, so that dust-proof radiating material provided in an embodiment of the present invention and substrate have higher combination
Intensity.
In addition, acrylate adhesive and fluorinated acrylate resin are respectively provided with certain rebound performance, therefore, this hair
The dust-proof radiating material that bright embodiment is provided has certain adhesion strength, being capable of self-regeneration when being destroyed by external force.
Dust-proof radiating coating provided in an embodiment of the present invention also has preferable heat resistance, when the part higher applied to temperature still
So there is preferable dust-proof radiating performance.
Dust-proof radiating material provided in an embodiment of the present invention is applicable not only to laser projection device, has radiating needs to other
Electrical equipment, equally applicable such as TV, computer, server, the laser projection device being particularly suitable for use in using fan cooling.
Further, in dust-proof radiating material provided in an embodiment of the present invention, the fluorinated acrylate tree in dirt resistance coatings
Fat is obtained by fluorine-containing (methyl) acrylate monomer and the polymerization of not fluorine-containing (methyl) acrylate monomer.Fluorinated acrylate resin
Weight average molecular weight can for 50000~100000, such as 50000,55000,60000,65000,70000,75000,
80000th, 85000,90000,95000,100000 etc..
Wherein, fluorine-containing (methyl) acrylate monomer can be trifluoroethyl methacrylate, methacrylic acid hexafluoro fourth
At least one of ester and dodecafluoroheptyl methacrylate；Not fluorine-containing (methyl) acrylate monomer can be acrylic acid fourth
Ester (BA) and/or methyl methacrylate (MMA), the preferably mixture of butyl acrylate and methyl methacrylate.Also, first
The mass ratio of base methyl acrylate and butyl acrylate can be (1:4)~(4:1), such as 1:4、1:2、1:1、2:1、3:1、
1.5:1、2.5:1、3.5:1 etc..
Meanwhile, the mass ratio of fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer can be
(1:9)~(1:3), such as 1:9、1:8.5、1:8、1:7.5、1:7、1:6.5、1:6、1:5.5、1:5、1:4.5、1:4、1:3.5、
1:3 etc., in the proportion, the film layer formed by resulting fluorinated acrylate resin has suitable surface energy, more
Be conducive to preventing the attachment of dust.
Titanium nitride includes the nitridation product of the titaniums of other forms such as four nitridation tritanium, nitride two titanium, the embodiment of the present invention
In, preferred four nitridation tritanium, this is due to that the physicochemical property of four nitridation tritanium is more stablized.Meanwhile, titanium nitride particles are averaged
Particle diameter can be 0.05~0.8 μm, such as 0.05 μm, 0.1 μm, 0.15 μm, 0.2 μm, 0.25 μm, 0.3 μm, 0.35 μm, 0.4 μ
M, 0.45 μm, 0.5 μm, 0.55 μm, 0.6 μm, 0.65 μm, 0.7 μm, 0.75 μm, 0.8 μm etc..In dirt resistance coatings, titanium nitride
The parts by weight of grain can be 0.5 part, 0.6 part, 0.8 part, 1.0 parts, 1.2 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.8 parts, 2 parts
Deng.
Titanium nitride particles can also be handled using coupling agent and (for example be soaked titanium nitride in the solution of coupling agent
For a period of time), titanium nitride particles is connected with fluorinated acrylate resin by hydrogen bond or chemical bond, further improve nitridation
The interface binding power of titanium particle and fluorinated acrylate resin, at the same also advantageously improve in dust-proof radiating material dust-proof coating with
Adhesion between priming coat.Coupling agent is specifically as follows silane coupler, such as VTES, vinyl three
Methoxy silane, vinyl trichlorosilane etc..
Adjusted in addition, dyestuff, plasticizer, thickener, painting face can also be included in dirt resistance coatings for forming dust-proof coating
Save the various additives commonly used in the art such as agent, fluidity regulator, preserving stabilizer.
Further, in dust-proof radiating material provided in an embodiment of the present invention, acrylate adhesive is obtained for polymerizeing
(methyl) acrylate monomer there is structure as shown in formula (I)：
CH2=CR1-CO-OR2(I)。
Wherein, R1For hydrogen or methyl, R2For alkyl or phenyl, and R1And R2The quantity sum of middle carbon atom be less than or
Person is equal to 24, and this kind of (methyl) acrylate monomer is readily obtained, and cost is relatively low.Wherein R2The alkyl of representative can be straight chain alkane
Base, or the alkyl with side chain.(methyl) acrylate monomer is specifically as follows：Ethyl acrylate, acrylic acid positive third
In ester, n-butyl acrylate, isobutyl acrylate, lauryl acrylate, acrylic acid-2-ethyl caproite and phenyl methacrylate
At least one.(methyl) acrylic acid can be acrylic acid or methacrylic acid or combination.
Further, in dust-proof radiating material provided in an embodiment of the present invention, the thickness of priming coat can be 5~10 μm,
Such as 5 μm, 6 μm, 7 μm, 8 μm, 9 μm, 10 μm；The thickness of dust-proof coating can be 5~15 μm, such as 5 μm, 6 μm, 7 μm, 8 μ
M, 9 μm, 10 μm, 11 μm, 12 μm, 13 μm, 14 μm, 15 μm etc..
Second aspect, the embodiments of the invention provide a kind of preparation method of dust-proof radiating material, the preparation method includes
Following steps：
Step S1, will be by polymerizeing obtained acrylate using (methyl) acrylic acid and/or (methyl) acrylate as monomer
Adhesive is coated in substrate, forms priming coat.
Step S2, is 1 μm by fluorinated acrylate resin and the average grain diameter of 0.5~2 parts by weight including 100 parts by weight
The dirt resistance coatings of following titanium nitride particles are coated on priming coat, dust-proof coating are formed, so as to obtain dust-proof radiating material.
According to dust-proof radiating material described above, being prepared using preparation method provided in an embodiment of the present invention, one
Aspect can effectively prevent dirt accumulation, so as to overcome due to the problem of heat dispersion is poor caused by dirt accumulation, the opposing party
Face has good heat dispersion, is more beneficial for distributing for heat in the electrical equipment such as laser projection device.In addition, the embodiment of the present invention
The dust-proof radiating material prepared also have it is good with the binding ability of substrate, heat resistance and certain scratch resistance,
Self-repairing capability.
Further, in preparation method provided in an embodiment of the present invention, acrylate adhesive can pass through spraying, roller coat
Or blade coating etc. is coated in substrate and forms priming coat.In order that acrylate adhesive can more be coated uniformly on substrate
On, acrylate adhesive can be dissolved in organic solvent and obtain acrylate adhesive solution, by acrylate adhesive
Solution is coated in substrate, and priming coat is formed after drying.
Acrylate adhesive directly can be commercially available by commercial sources, and the acrylate adhesive of purchase is molten
Acrylate adhesive solution is obtained in organic solvent；Or can be by by (methyl) acrylic monomers and/or (methyl)
Acrylate monomer is scattered in organic solvent, and acrylate adhesive solution is obtained by initiator initiated polymerization.
The specific course of reaction of above-mentioned polymerisation can be：By (methyl) acrylic monomers and/or (methyl) acrylic acid
Ester monomer, which is scattered in organic solvent and is uniformly mixed, obtains monomer solution, and is warming up to 60~85 DEG C under agitation
(such as 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 80 DEG C, 85 DEG C), afterwards add monomer weight 0.1~0.5% (such as 0.1%,
0.15%th, 0.2%, 0.25%, 0.3%, 0.35%, 0.4%, 0.45%, 0.5% etc.) initiator, initiator is added and finished
Continue to react afterwards to obtain acrylate adhesive solution in 0.5~2 hour.
The record for specifically planting similar first aspect of the embodiment of the present invention of (methyl) acrylate monomer, no longer goes to live in the household of one's in-laws on getting married herein
State.
Initiator used can be azo-compound or organic peroxide.Wherein, azo-compound is selected from azo two
The mixture of one or two kinds of in isobutyronitrile, ABVN；Organic peroxide is selected from benzoyl peroxide, peroxide
Change the mixture of the one or two kinds of in lauroyl.Initiator can be added drop-wise in the form of the solution of mass fraction 1~5%
In monomer solution.
The mixture of the one or two kinds of of organic solvent used in ethyl acetate, butyl acetate, both it
Between can be mixed with arbitrary proportion.
Further, in preparation method provided in an embodiment of the present invention, the dirt resistance coatings for forming dust-proof coating can be with
Prepared by following methods：By organic solvent, emulsifying agent, titanium nitride particles, fluorine-containing (methyl) acrylate monomer and not
Fluorine-containing (methyl) acrylate monomer is added to according to preset ratio to be well mixed in reactor and is warming up to preset temperature, afterwards
Initiator is added into reactor in the first preset time, after initiator, which is added, to be finished, continues to react under preset temperature
Second preset time produces dirt resistance coatings.
It will be appreciated by persons skilled in the art that fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylic acid
Polymerisation occurs in the presence of initiator for ester monomer, obtains the fluorinated acrylate resin (weight of fluorinated acrylate resin
Substantially each monomer weight sum of amount).Titanium nitride particles then introduce fluorinated acrylate resin by way of in-situ polymerization
In system.Compared with conventional blending method, the combination of titanium nitride particles and fluorinated acrylate resin is more firm.
Wherein, the specific species and ratio of fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer
Example, the species and particle diameter of titanium nitride will not be repeated here with the record of first aspect of the embodiment of the present invention.
Organic solvent used can for one or both of ethyl acetate, butyl acetate mixture, between both
It can be mixed with arbitrary proportion.Using fluorinated acrylate monomer and fluorinated acrylate monomer gross mass is not counted as 100 parts, You Jirong
The quality of agent can be 300~800 parts, such as 300 parts, 350 parts, 400 parts, 450 parts, 500 parts, 550 parts, 600 parts, 650 parts,
700 parts, 750 parts, 800 parts etc..
For the species of emulsifying agent, the embodiment of the present invention is not particularly limited, the emulsification commonly used in the polymerisation of this area
Agent, including but not limited to alkyl alcohol ethoxylates (such as isomerous tridecanol polyoxyethylene ether E-1310, isomerous tridecanol
APEO 1350, isomerous tridecanol polyoxyethylene ether 1380 etc.), lauryl sodium sulfate (SDS), DBSA
Sodium (SDBS), octyl phenol APEO (OP-10) etc..With fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl)
Acrylate monomer gross mass is 100 parts of meters, and the quality of emulsifying agent can be 1~3 part, such as 1 part, 1.5 parts, 2 parts, 2.5 parts,
3 parts etc..
Initiator can for azo-compound (such as in azodiisobutyronitrile, ABVN is few one kind) and/
Or organic peroxide (such as at least one of benzoyl peroxide, lauroyl peroxide).The consumption of initiator can be
Fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) acrylate monomer gross mass 0.2~1% (such as 0.2%,
0.3%th, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1.0% etc.), initiator can be with mass fraction 1~5%
The form of the solution of (such as 1%, 1.5%, 2%, 2.5%, 3%, 3.5%, 4%, 4.5%, 5%) is added to reactor
In, the first preset time that initiator solution is added dropwise can be 1~3 hour, such as 1 hour, 1.5 hours, 2 hours, it is 2.5 small
When, 3 hours etc..
Preset temperature in above-mentioned dirt resistance coatings preparation process can be 80~95 DEG C, such as 80 DEG C, 85 DEG C, 86 DEG C, 90
DEG C, 95 DEG C etc..When the second preset time for continuing reaction after initiator is added and finished can be small for 1~2, such as 1 hour,
1.5 hours, 2 hours etc..
In preparation method provided in an embodiment of the present invention, dirt resistance coatings can be coated in by priming coat by the method for spraying
On, and dried at a temperature of 120~150 DEG C (such as 120 DEG C, 125 DEG C, 130 DEG C, 135 DEG C, 140 DEG C, 145 DEG C, 150 DEG C)
It is dry, to form dust-proof coating.
The third aspect, the embodiments of the invention provide a kind of laser projection device, is provided with the laser projection device
The dust-proof radiating material stated.
, can be on the surface of laser heat pipe heat radiation 1 of laser projection device, DMD (Digital referring to Fig. 1, Fig. 2 and Fig. 3
Micromirror Devic, DMD) 2 surface of radiator, and ray machine housing, light source shell, speculum housing,
The surface of the housings such as lens cap 3 sets dust-proof radiating material x provided in an embodiment of the present invention, effectively prevents from dissipating in laser projection device
The position dust stratifications such as hot device, support, ray machine housing, light source shell.Avoid due to the problem of heat dispersion is poor caused by dust stratification.
The technical scheme of the embodiment of the present invention is described in further detail below by specific experiment data.
In the examples below, raw materials used unreceipted production firm and specification person be can be by the normal of acquisition purchased in market
Advise product.
In following examples, pass through the dust-proof radiating material surface and the contact angle of water to preparing and dyne value
Test characterizes come the anti-dust performance to dust-proof radiating material.
Wherein, contact angle refers to：When liquid can not be sprawled in the surface of solids, then liquid stays in solid with definite shape
Surface, the angle formed by the surface of solids and liquid edge tangent line is referred to as contact angle, the contact angle master of drop on a solid surface
To depend on the surface energy and the interface energy of liquid and solid of solid and liquid.When the timing of liquid property one, contact angle is bigger
Illustrate that solid surface energy is smaller, be less susceptible to adhesive dust.Generally, it is considered that when the contact angle of water and dust-proof radiating material surface is big
When 90 °, you can play dustproof effect.
Dyne value, i.e., surface tension coefficient is smaller, illustrate that surface of solids surface can be smaller, is less susceptible to adhesive dust, logical
Often think that when dyne value is less than 36dyn/cm dustproof effect can be played.
Embodiment 1
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 101, the SD-808 types pressure-sensitive acrylate and 100g ethyl acetate of 100g Shanghai Soviet Union Supreme Being's chemical industry are mixed
Close, obtain acrylate adhesive solution.
Step 102,600g ethyl acetate, 200g butyl acetates, 1g lauryl sodium sulfate are added in the reactor
(SDS), 2g average grain diameters are 0.05 μm of four nitridation tritanium particle, 50g methyl methacrylates, 35g butyl acrylates and 15g
Dodecafluoroheptyl methacrylate, is warming up to 85 DEG C after stirring, be added dropwise in 2 hours into reactor by 0.8g azos two
Continuation reaction 1 is small at 85 DEG C after the initiator solution that isobutyronitrile and 20g butyl acetates are configured to, initiator solution completion of dropping
When, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 103, acrylate adhesive solution step 101 obtained brushes the laser heat in laser projection device
Tube radiator fin surface, forms the priming coat that thickness is 5 μm after solvent is dried.
Step 104, dirt resistance coatings step 102 obtained are sprayed on the priming coat that step 103 is formed with 1mm nozzles,
Drying makes dirt resistance coatings form the dust-proof coating that thickness is 15 μm after solidifying for 1 hour at 120 DEG C, so as to be dissipated in laser heat pipe
Hot device fin surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 97 °, a dyne value is 34dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the laser heat tube radiator fin surface before and after the dust-proof radiating material of the present embodiment is set is carried out
Test, as a result shows, after the dust-proof radiating material of the present embodiment is set, the temperature of laser heat tube radiator fin surface
Reduce 1.5 DEG C.
Embodiment 2
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 201, the SA-108 types pressure-sensitive acrylate and 100g butyl acetates of 100g Shanghai Australia of Soviet Union chemical industry are mixed
Close, obtain acrylate adhesive solution.
Step 202,400g ethyl acetate, 1.5g isomerous tridecanol polyoxyethylene ethers E-1310,1g are added in the reactor
Average grain diameter is 0.8 μm of four nitridation tritanium particle, 61g methyl methacrylates, 15g butyl acrylates, 12g methacrylic acids
Hexafluoro butyl ester and 12g trifluoroethyl methacrylates, are warming up to 90 DEG C after stirring, be added dropwise in 3 hours into reactor
The initiator solution being configured to by 0.3g azodiisobutyronitriles, 0.1g benzoyl peroxides and 20g butyl acetates.Initiator solution
Continue reaction 1 hour after completion of dropping at 90 DEG C, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 203, acrylate adhesive solution step 201 obtained is brushed to radiate in laser projection device driving plate
Device surface, it is to form 10 μm of priming coat that thickness is formed after solvent is dried.
Step 204, dirt resistance coatings solution step 202 obtained is sprayed on the priming coat that step 203 is formed with 1mm nozzles
On, the dust-proof coating that thickness is 15 μm is formed after 135 DEG C of drying solidify 30 minutes dirt resistance coatings, so that in driving plate radiating
Device surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 103 °, a dyne value is 32dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the driving plate spreader surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result
It has been shown that, after the dust-proof radiating material of the present embodiment is set, the temperature of driving plate spreader surface reduces 1.5 DEG C.
Embodiment 3
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 301, the SH-602 types pressure-sensitive acrylate and 100g ethyl acetate of the double magnificent chemical industry in 100g Jiangyin are mixed
Close, obtain acrylate adhesive solution.
Step 302, it is average that 550g butyl acetates, 2g isomerous tridecanol polyoxyethylene ethers 1350,3g are added in the reactor
Particle diameter is 0.35 μm of four nitridation tritanium particle, 18g methyl methacrylates, 72g butyl acrylates and 10g methacrylic acid
Ten difluoro heptyl esters, are warming up to 80 DEG C after stirring, be added dropwise at 3 hours into reactor by 0.3g azodiisobutyronitriles and 20g
The initiator solution that butyl acetate is configured to.Continue reaction 1.5 hours after initiator solution completion of dropping at 80 DEG C, be cooled to
Normal temperature, is cooled to normal temperature by reaction system afterwards, obtains dirt resistance coatings.
Step 303, acrylate adhesive solution brushing step 301 obtained dissipates in the laser of laser projection device
Hot device surface, forms the priming coat that thickness is 8 μm after solvent is dried.
Step 304, dirt resistance coatings step 302 obtained are sprayed on the priming coat that step 303 is formed with 1.2mm nozzles
On, the dust-proof coating that thickness is 10 μm is formed after 150 DEG C of drying 15 minutes are dirt resistance coatings solidification, so that in laser radiating
Device surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 95 °, a dyne value is 34dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the laser spreader surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result
It has been shown that, after the dust-proof radiating material of the present embodiment is set, the temperature on laser heat radiator fin surface reduces 4.5 DEG C.
Embodiment 4
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 401,2.5g benzoyl peroxides are dissolved in 150g ethyl acetate and are configured to initiator solution；In stirring bar
Under part.100g methyl methacrylates, 195g lauryl acrylates and 200g i-butyls are added into 1kg ethyl acetate
Ester, continues stirring and obtains monomer solution to well mixed；Monomer solution is warming up to 70 DEG C, point 6 dropwise additions into monomer solution
Above-mentioned initiator solution carries out polymerisation, and each time for adding is 15 minutes, and the amount being added dropwise every time is initiator solution total amount
1/6th, reaction is added dropwise next time after 1 hour after each completion of dropping, after initiator solution whole completion of dropping
Continue to react 1 hour at 70 DEG C, obtain acrylate adhesive solution.
Step 402, it is average that 600g ethyl acetate, 3g isomerous tridecanol polyoxyethylene ethers 1380,1g are added in the reactor
Particle diameter is 0.75 μm of four nitridation tritanium particle, 40g methyl methacrylates, 40g butyl acrylates, 5g methacrylic acids 12
Fluorine heptyl ester, 15g Hexafluorobutyl mathacrylates and 5g trifluoroethyl methacrylates, are warming up to 95 DEG C after stirring, small 3
When interior that the initiator being configured to by 0.2g benzoyl peroxides and 10g butyl acetates, 10g ethyl acetate is added dropwise to reactor is molten
Liquid.Continue reaction 2 hours after initiator solution completion of dropping at 95 DEG C, reaction system is cooled to normal temperature afterwards, prevented
Dirt coating.
Step 403, acrylate adhesive solution step 401 obtained brushes the light source shell in laser projection device
Surface, forms the priming coat that thickness is 10 μm after solvent is dried.
Step 404, dirt resistance coatings step 402 obtained are sprayed on the priming coat that step 403 is formed with 1mm nozzles,
The dust-proof coating that thickness is 10 μm is formed after 140 DEG C of drying solidify 50 minutes dirt resistance coatings, so that on light source shell surface
Form the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 102 °, a dyne value is 32dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the light source shell before and after the dust-proof radiating material of the present embodiment is set is tested, as a result shown,
After the dust-proof radiating material for setting the present embodiment, the temperature on light source shell surface reduces 2 DEG C.
Embodiment 5
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 501,2.5g azodiisobutyronitriles are dissolved in 150g ethyl acetate and are configured to initiator solution；In stirring bar
Under part, 300g methyl methacrylates, 95g lauryl acrylates and 100g isobutyl acrylates are added into 1kg ethyl acetate,
Continue to stir to well mixed and obtain monomer solution；Monomer solution is warming up to 85 DEG C, is added dropwise into monomer solution above-mentioned points for 6 times
Initiator solution carries out polymerisation, and each time for adding is 15 minutes, and the amount being added dropwise every time is the six of initiator solution total amount
/ mono-, reaction is added dropwise next time after 1 hour after each completion of dropping, 85 after initiator solution whole completion of dropping
Continue to react 1 hour at DEG C, obtain acrylate adhesive solution.
Step 502, it is average that 400g butyl acetates, 2.5g neopelexes (SDBS), 3g are added in the reactor
Particle diameter is 0.1 μm of rice four nitridation tritanium particle, 40g methyl methacrylates, 35g butyl acrylates, 15g methacrylic acids ten
Difluoro heptyl ester and 10g trifluoroethyl methacrylates, are warming up to 85 DEG C after stirring, be added dropwise in 3 hours into reactor
The initiator solution being configured to by 1g azodiisobutyronitriles and 20g ethyl acetate.After initiator solution completion of dropping at 85 DEG C
Continue to react 1 hour, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 503, acrylate adhesive solution step 501 obtained brushes the liquid-cooling heat radiation in laser projection device
Device water arranges surface, and the priming coat that thickness is 5 μm is formed after solvent is dried.
Step 504, step 502 is obtained into dirt resistance coatings and liquid cooling heat radiator water row surface, 150 is sprayed on 1.2mm nozzles
DEG C drying make within 15 minutes dirt resistance coatings solidify after forming thickness be 12 μm of dust-proof coating, so as to arrange table in liquid cooling heat radiator water
Face forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 104 °, a dyne value is 31dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Arrange liquid cooling heat radiator water temperature of the surface before and after the dust-proof radiating material of the present embodiment is set to test, tie
Fruit shows, after the dust-proof radiating material of the present embodiment is set, and the temperature on liquid cooling heat radiator water row surface reduces 1.5 DEG C.
Embodiment 6
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 601,0.3g ABVNs are dissolved in 50g toluene and are configured to initiator solution；Under agitation,
50g methyl methacrylates, 20g acrylic acid and 20g n-propyls are added into 300g butyl acetates, continues to stir to mixed
Conjunction uniformly obtains monomer solution；Monomer solution is warming up to 82 DEG C, points 5 times above-mentioned initiator solution is added dropwise into monomer solution and enters
Row polymerisation, each time for adding is 15 minutes, and the amount being added dropwise every time is 1/5th of initiator solution total amount, every time drop
Add reaction after finishing to be added dropwise next time after 0.5 hour, continue anti-at 82 DEG C after initiator solution whole completion of dropping
Answer 1 hour, obtain acrylate adhesive solution.
Step 602,800g ethyl acetate, 1g isomerous tridecanol polyoxyethylene ethers 1380,2.5g are added in the reactor to put down
Equal particle diameter is 0.6 μm of four nitridation tritanium particle, 72g methyl methacrylates, 15g butyl acrylates, 10g methacrylic acids ten
Difluoro heptyl ester and 3g Hexafluorobutyl mathacrylates, are warming up to 95 DEG C after stirring, dripped and be added dropwise into reactor in 1 hour
At 95 DEG C after the initiator solution being configured to by 0.4g benzoyl peroxides and 20g ethyl acetate, initiator solution completion of dropping
It is lower to continue to react 2 hours, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 603, acrylate adhesive solution step 601 obtained brushes the aluminium Air Filter in laser projection device
Surface is covered, the priming coat that thickness is 10 μm is formed after solvent is dried.
Step 604, dirt resistance coatings step 602 obtained are sprayed on the priming coat that step 603 is formed with 1mm nozzles,
Drying makes dirt resistance coatings form the dust-proof coating that thickness is 13 μm after solidifying for 1 hour at 120 DEG C, so that in aluminium dust-proof mesh enclosure table
Face forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 98 °, a dyne value is 33dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the aluminium dust-proof mesh enclosure surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result shown
Show, after the dust-proof radiating material of the present embodiment is set, the temperature on aluminium dust-proof mesh enclosure surface reduces 2.5 DEG C.
Embodiment 7
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 701,0.1g benzoyl peroxides are dissolved in 10g butyl acetates and are configured to initiator solution；In stirring bar
Under part, 10g phenyl methacrylates are added into 60g butyl acetates, 5g methacrylic acids, 4.8g n-propyls continue
Stirring obtains monomer solution to well mixed, and monomer solution is warming up into 85 DEG C, divides 4 times and above-mentioned initiation is added dropwise into monomer solution
Agent solution carries out polymerisation；Each time for adding is 15 minutes, the amount being added dropwise every time for initiator solution total amount four/
One, reaction is added dropwise next time after 0.8 hour after each completion of dropping, at 85 DEG C after initiator solution whole completion of dropping
It is lower to continue to react 2 hours, obtain acrylate adhesive solution.
Step 702,800g butyl acetates, 2g octyl phenol APEOs (OP-10), 2g are added in the reactor to put down
Equal particle diameter is 0.2 μm of four nitridation tritanium particle, 18g methyl methacrylates, 72g butyl acrylates and 10g methacrylic acid
Ten difluoro heptyl esters, are warming up to 92 DEG C after stirring, be added dropwise in 2 hours into reactor by 0.7g azodiisobutyronitriles,
After the initiator solution that 0.1g benzoyl peroxides and 20g ethyl acetate are configured to, initiator solution completion of dropping at 92 DEG C
Continue to react 1 hour, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 703, acrylate adhesive solution step 701 obtained is brushed in laser movie theatre fluorescent wheel radiator table
Face, forms the priming coat that thickness is 10 μm after solvent is dried.
Step 704, dirt resistance coatings step 702 obtained are sprayed on the priming coat that step 703 is formed with 1.2mm nozzles
On, the dust-proof coating that thickness is 15 μm is formed after 120 DEG C of drying solidify 1 hour dirt resistance coatings, so that in fluorescent wheel radiating
Device surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 96 °, a dyne value is 34dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the fluorescent wheel spreader surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result
It has been shown that, after the dust-proof radiating material of the present embodiment is set, the temperature of fluorescent wheel spreader surface reduces 3.5 DEG C.
Embodiment 8
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 801,0.1g azodiisobutyronitriles are dissolved in 10g ethyl acetate and are configured to initiator solution；In stirring bar
Under part, 90g methyl methacrylates, 5g acrylic acid-2-ethyl caproites and 4g acrylic acid are added into 100g ethyl acetate, is continued
Stirring obtains monomer solution to well mixed；Monomer solution is warming up to 60 DEG C, divides 3 times and above-mentioned initiation is added dropwise into monomer solution
Agent solution carry out polymerisation, each time for adding be 20 minutes, the amount being added dropwise every time for initiator solution total amount three/
One, reaction is added dropwise next time after 1 hour after each completion of dropping, after initiator solution whole completion of dropping at 60 DEG C
Continue to react 0.5 hour, obtain acrylate adhesive solution.
Step 802,700g ethyl acetate, 100g butyl acetates, 2g isomerous tridecanol polyoxyethylenes are added in the reactor
Ether E-1310,1g average grain diameter are 0.6 μm of four nitridation tritanium particle, 50g methyl methacrylates, 40g butyl acrylates, 5g
Hexafluorobutyl mathacrylate and 5g trifluoroethyl methacrylates, are warming up to 85 DEG C after stirring, to reaction in 2 hours
The initiator solution being configured to by 0.6g azodiisobutyronitriles and 15g ethyl acetate, 5g butyl acetates is added dropwise in device.Initiator is molten
Continue reaction 2 hours after liquid completion of dropping at 85 DEG C, reaction system is cooled to normal temperature afterwards, dirt resistance coatings are obtained.
Step 803, acrylate adhesive solution brushing step 801 obtained dissipates in the laser of laser projection device
Hot device surface, forms the priming coat that thickness is 10 μm after solvent is dried.
Step 804, dirt resistance coatings step 802 obtained are sprayed on the priming coat that step 803 is formed with 1.52mm nozzles
On, the dust-proof coating that thickness is 10 μm is being formed after 150 DEG C of drying solidify 20 minutes dirt resistance coatings, so as to be dissipated in laser
Hot device surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 98 °, a dyne value is 34dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the laser spreader surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result
It has been shown that, after the dust-proof radiating material of the present embodiment is set, the temperature of laser spreader surface reduces 2 DEG C.
Embodiment 9
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 901,0.1g benzoyl peroxides are dissolved in 10g butyl acetates and are configured to initiator solution；In stirring bar
Under part, 10g phenyl methacrylates, 5g methacrylic acids and 4.8g n-propyls are added into 60g butyl acetates, is continued
Stirring obtains monomer solution to well mixed；Monomer solution is warming up to 85 DEG C, divides 4 times and above-mentioned initiation is added dropwise into monomer solution
Agent solution carry out polymerisation, each time for adding be 15 minutes, the amount being added dropwise every time for initiator solution total amount four/
One, reaction is added dropwise next time after 0.8 hour after each completion of dropping, at 85 DEG C after initiator solution whole completion of dropping
It is lower to continue to react 2 hours, obtain acrylate adhesive solution.
Step 902,300g ethyl acetate, 200g butyl acetates, 2g isomerous tridecanol polyoxyethylenes are added in the reactor
Ether 1380,2g average grain diameters are 0.35 μm of four nitridation tritanium particle, 20g methyl methacrylates, 60g butyl acrylates, 10g
Dodecafluoroheptyl methacrylate, 5g Hexafluorobutyl mathacrylates, 5g trifluoroethyl methacrylates, heat up after stirring
To 85 DEG C, the initiator being configured to by 0.4g benzoyl peroxides and 20g ethyl acetate was added dropwise into reactor in 3 hours molten
Liquid.Continue reaction 1 hour after initiator solution completion of dropping at 85 DEG C, reaction system is cooled to normal temperature afterwards, prevented
Dirt coating.
Step 903, acrylate adhesive solution step 901 obtained is brushed on laser movie theatre ray machine casing surface,
The priming coat that thickness is 8 μm is formed after solvent is dried.
Step 904, dirt resistance coatings solution step 902 obtained is sprayed on the primary coat that step 903 is formed with 1.2mm nozzles
On layer, the dust-proof coating that thickness is 15 μm is being formed after 130 DEG C of drying solidify 30 minutes dirt resistance coatings, so that in ray machine machine
Shell surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 103 °, a dyne value is 31dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the ray machine casing surface before and after the dust-proof radiating material of the present embodiment is set is tested, as a result shown
Show, after the dust-proof radiating material of the present embodiment is set, the temperature on ray machine casing surface reduces 3 DEG C.
Embodiment 10
The present embodiment provides a kind of dust-proof radiating material, and the preparation method of the dust-proof radiating material is as follows：
Step 1001,2.5g azodiisobutyronitriles are dissolved in 150g ethyl acetate and are configured to initiator solution；In stirring
Under the conditions of, 300g methyl methacrylates, 95g lauryl acrylates and 100g i-butyls are added into 1kg ethyl acetate
Ester, continues stirring and obtains monomer solution to well mixed；Monomer solution is warming up to 85 DEG C, point 6 dropwise additions into monomer solution
Initiator solution carries out polymerisation, and each time for adding is 15 minutes, and the amount being added dropwise every time is the six of initiator solution total amount
/ mono-, reaction is added dropwise next time after 1 hour after each completion of dropping, 85 after initiator solution whole completion of dropping
Continue to react 1 hour at DEG C, obtain acrylate adhesive solution.
Step 1002,400g ethyl acetate, 150g butyl acetates, 2.5g isomerous tridecanol polyoxy second are added in the reactor
Alkene ether E-1310,1g average grain diameter for 0.8 μm four nitridation tritanium particle, 15g methyl methacrylates, 62g butyl acrylates,
8g dodecafluoroheptyl methacrylates and 15g Hexafluorobutyl mathacrylates, are warming up to 85 DEG C after stirring, in 2 hours
The initiator solution being configured to by 0.6g benzoyl peroxides and 20g ethyl acetate is added dropwise into reactor.Initiator solution drips
Add and continue reaction 1 hour after finishing at 85 DEG C, be cooled to normal temperature, reaction system is cooled to normal temperature afterwards, obtain dust-proof painting
Material.
Step 1003, acrylate adhesive solution step 1001 obtained is brushed in DMD spreader surfaces, by solvent
The priming coat that thickness is 5 μm is formed after drying.
Step 1004, dirt resistance coatings step 1002 obtained are sprayed on the primary coat that step 1003 is formed with 1.5mm nozzles
On layer, about 10 μm of dust-proof coating is formed on surface after 150 DEG C of drying solidify 20 minutes dirt resistance coatings, so as to be dissipated in DMD
Hot device surface forms the dust-proof radiating material of the present embodiment.
The dust-proof radiating material and the contact angle of water that are prepared to the present embodiment and a dyne value are tested, and are as a result shown
Show, the contact angle with water is 103 °, a dyne value is 32dyn/cm, it is seen that the dust-proof radiating material that the present embodiment is prepared has
Dust reduction capability.
Temperature of the DMD spreader surfaces before and after the dust-proof radiating material of the present embodiment is set is tested, as a result shown
Show, after the dust-proof radiating material of the present embodiment is set, the temperature of DMD spreader surfaces reduces 2 DEG C.
To sum up, the embodiments of the invention provide a kind of dust-proof radiating material for integrating the performance such as dust-proof, radiating, scratch resistance
Material, the dust-proof radiating material can be with substrate strong bonded, and the dust-proof radiating material is arranged on into laser projection device etc. scattered
The surface for the electrical equipment that heat needs, on the one hand effectively prevents dirt accumulation, so as to overcome due to thermal diffusivity caused by dirt accumulation
Can be poor the problem of；On the other hand the heat dispersion itself having further promotes distributing for heat.
It is described above to be for only for ease of it will be understood by those skilled in the art that technical scheme, not to limit
The present invention.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in this
Within the protection domain of invention.
Claims (10)
1. a kind of dust-proof radiating material, it is characterised in that including：
For the priming coat with substrate contact and the dust-proof coating being formed on the priming coat；
The priming coat using (methyl) acrylic acid and/or (methyl) acrylate as monomer by polymerizeing obtained acrylate gluing
Dosage form into；
The dust-proof coating is formed by dirt resistance coatings, and the dirt resistance coatings include the component of following parts by weight：
The fluorinated acrylate resin of 100 parts by weight and the titanium nitride particles that the average grain diameter of 0.5~2 parts by weight is less than 1 μm.
2. dust-proof radiating material according to claim 1, it is characterised in that the fluorinated acrylate resin is by fluorine-containing
(methyl) acrylate monomer and the polymerization of not fluorine-containing (methyl) acrylate monomer are obtained.
3. dust-proof radiating material according to claim 2, it is characterised in that fluorine-containing (methyl) the acrylate monomer choosing
From at least one of trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate and dodecafluoroheptyl methacrylate；
Not fluorine-containing (methyl) acrylate monomer is butyl acrylate and/or methyl methacrylate.
4. the dust-proof radiating material according to Claims 2 or 3, it is characterised in that fluorine-containing (methyl) the acrylate list
The mass ratio of body and not fluorine-containing (methyl) acrylate monomer is：(1:9)~(1:3).
5. dust-proof radiating material according to claim 1, it is characterised in that the titanium nitride particles are four nitridation tritanium
Grain, the average grain diameter of the titanium nitride particles is 0.05~0.8 μm.
6. dust-proof radiating material according to claim 1, it is characterised in that obtain the acrylate gluing for polymerizeing
(methyl) acrylate monomer of agent has the structure as shown in formula (I)：
CH2=CR1-CO-OR2(I)；
Wherein, R1For hydrogen or methyl, R2For alkyl or phenyl, and R1And R2The quantity sum of middle carbon atom is less than or equal to
24。
7. dust-proof radiating material according to claim 1, it is characterised in that the thickness of the priming coat is 5~10 μm, institute
The thickness for stating dust-proof coating is 5~15 μm.
8. a kind of preparation method of dust-proof radiating material, it is characterised in that comprise the following steps：
It will be coated in by polymerizeing obtained acrylate adhesive as monomer using (methyl) acrylic acid and/or (methyl) acrylate
In substrate, priming coat is formed；
By the nitridation that fluorinated acrylate resin and the average grain diameter of 0.5~2 parts by weight including 100 parts by weight are less than 1 μm
The dirt resistance coatings of titanium particle are coated on the priming coat, dust-proof coating are formed, so as to obtain the dust-proof radiating material.
9. preparation method according to claim 8, it is characterised in that the dirt resistance coatings are prepared by following methods：
By organic solvent, emulsifying agent, the titanium nitride particles, fluorine-containing (methyl) acrylate monomer and not fluorine-containing (methyl) third
Olefin(e) acid ester monomer is added to according to preset ratio to be well mixed in reactor and is warming up to preset temperature, afterwards when first is default
Between add initiator in the introversive reactor, after the initiator, which is added, to be finished, continue to react under the preset temperature
Second preset time produces the dirt resistance coatings.
10. a kind of laser projection device, it is characterised in that any one of claim 1~7 is provided with the laser projection device
Described dust-proof radiating material.
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| CN201710364669.2A CN107033713A (en) | 2017-05-22 | 2017-05-22 | Dust-proof radiating material and preparation method thereof, laser projection device |
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| CN201710364669.2A CN107033713A (en) | 2017-05-22 | 2017-05-22 | Dust-proof radiating material and preparation method thereof, laser projection device |
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